Specification Brand : ARMOR TOOL BulletPoint : Sold on Amazon BulletPoint1 : Specs - Maximum Pressure: 2800 PSI. Maximum Flow: 2.3 GPM. Maximum Pump Speed: 3400 RPM. Shaft Diameter: 7/8" Shaft. 3 Bolt Pattern: 7 11/16” x 6 3/16” x 6 7/16” & 4" Center to Each Outer Hole. Maximum Water Temperature: 140° F. Inlet Connection Type: Standard Garden Hose. Outlet Tube Connection: 22mm Male. Refer to images 2 and 3 for more information BulletPoint2 : Includes - (1) Vertical Pressure Washer Pump with Chemical Injector, Unloader Valve, Thermal Release Valve & Outlet Tube; comes as shown in the first image BulletPoint3 : This pump mounts vertical and is a rear facing (water inlets/outlets come out of the rear of the engine). Pump needs at least 5.5HP to handle PSI. Pump head can be flipped BulletPoint4 : Please note it is not recommended to run any pressure washer pump above its maximum PSI rating. Doing so can result in damage to the pump (not covered by warranty) and/or serious bodily injury Color : Black ExternallyAssignedProductIdentifier1 : 0020791200823 ExternallyAssignedProductIdentifier2 : 020791200823 Hazmat : 9 ItemName : Armor AMR-RSV4G40D.U 4000 PSI"Replacement" Horizontal Pressure Washer Pump ItemPackageDimensions_Height : 0.75 inches ItemPackageDimensions_Length : 3 inches ItemPackageDimensions_Width : 2 inches ItemPackageQuantity : 1 ItemTypeKeyword : pressure-washer-pumps Manufacturer : Armor MaximumFlowRate : 4 gallons_per_minute ModelNumber : AR40002 PartNumber : AMR-RSV4G40D.U PowerSourceType : Wind Powered ProductDescription : This is perfect for the upcoming Spring to use on your pressure washer. ProductSiteLaunchDate : 2019-02-06T16:31:42.400Z Style : Pressure Washer Pump SupplierDeclaredDgHzRegulation : not_applicable